Electron-hole asymmetry and two-state lasing in quantum dot lasers | Zendy

Evgeny A. Viktorov | Zendy; Paul Mandel | Zendy; Yann Tanguy | Zendy; J. Houlihan | Zendy; G. Huyet | Zendy

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Electron-hole asymmetry and two-state lasing in quantum dot lasers

Author(s) -

Evgeny A. Viktorov,

Paul Mandel,

Yann Tanguy,

J. Houlihan,

G. Huyet

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1995947

Subject(s) - lasing threshold , asymmetry , quantum dot laser , quantum dot , physics , laser , electron , redistribution (election) , condensed matter physics , semiconductor laser theory , ground state , population inversion , atomic physics , optoelectronics , quantum mechanics , politics , political science , law

We study the decrease of the ground-state output with increasing current in two-state quantum dot lasing. We show that the asymmetry in the thermal population redistribution breaks the symmetric dynamical evolution of the electron-hole pairs. This fully explains the transition from two-state to single-state lasing observed experimentally. The model also reproduces the temperature dependence of the two-state lasing. (c) 2005 American Institute of Physics. (DOI:10.1063/1.1995947

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